#pragma once
#include<iostream>
#include<string>
using namespace std;
#include "Person.h"
#include "CostStandard.h"

class student :public person {
public:
    student(string name, int id, int roomNumber, int UID, string gender, string classname);
    virtual void show_info();
    virtual string get_name();
};

class stucoststd : public coststandard {
public:
    stucoststd(double usage, int type);

    virtual double cal_price();
};
